turtle floor builder

args={...}
z=tonumber(args[1])
x=tonumber(args[2])
side=1
function place()
for i=1,z do
turtle.placeDown()
turtle.forward()
end
end
for i2=1,x do
place()
if side==1 then
turtle.turnRight()
turtle.forward()
turtle.turnRight()
side=2
else
turtle.turnLeft()
turtle.forward()
turtle.turnLeft()
side=1
end
end